going open

.gitignore

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+# Specifies intentionally untracked files to ignore when using Git
+# http://git-scm.com/docs/gitignore
+
+node_modules/
+platforms/
+plugins/
+www/lib/*
+resources/*

README.md

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+## Supported languages iOS Apache Cordova
+
+**Cordova / PhoneGap Plugin that exposes supported languages to the App Store (iTunes).**
+
+On iOS, Cordova declares (just) english as supported language. Since most of the i18n solutions that developers use for their translation/internazionalizations support are javascript based there is no way to say to app store that anoter language is also supported. You need to explicitly declare those languages within the `info.plist` file.
+
+Since I'm lazy I prefer letting a plugin do this job (avoiding the need to re-edit the file everytime I do a fresh build from the cordova cli). Hope you find it useful as well.
+
+## Install
+
+### Latest published version on npm (with Cordova CLI >= 5.0.0)
+
+```
+cordova plugin add cordova-plugin-ios-localized-strings --variable MAIN_LANGUAGE=English --variable ADDITIONAL_LANGUAGES=it,fr,de
+```
+
+### Latest version from GitHub
+
+```
+cordova plugin add https://github.com/enricodeleo/cordova-plugin-ios-localized-strings.git --variable MAIN_LANGUAGE=English --variable ADDITIONAL_LANGUAGES=it,fr,de
+```
+
+## Platforms
+
+Applies to iOS only.
+
+## Bonus
+
+For ionic/angular v1.x based projects I really like [gabegorelick/gulp-angular-gettext](https://github.com/gabegorelick/gulp-angular-gettext).
+
+## License
+
+[MIT License](http://ilee.mit-license.org)

package.json

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+{
+  "name": "cordova-plugin-ios-localized-strings",
+  "version": "1.0.0",
+  "author": "Enrico Deleo <hello@enricodeleo.com> (http://enricodeleo.com/)",
+  "description": "Cordova / PhoneGap Plugin that exposes supported languages to the App Store (iTunes).",
+  "cordova": {
+    "id": "cordova-plugin-ios-localized-strings",
+    "platforms": [
+      "ios"
+    ]
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/enricodeleo/cordova-plugin-ios-localized-strings.git"
+  },
+  "keywords": [
+    "cordova",
+    "ios",
+    "app",
+    "languages",
+    "i18n",
+    "appstore",
+    "itunes",
+    "strings",
+    "ecosystem:cordova",
+    "cordova-ios"
+  ],
+  "engines": [
+    {
+      "name": "cordova",
+      "version": ">=3.0.0"
+    }
+  ],
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/enricodeleo/cordova-plugin-ios-localized-strings/issues"
+  },
+  "homepage": "https://github.com/enricodeleo/cordova-plugin-ios-localized-strings#readme",
+  "devDependencies": {
+    "plist": "^2.0.1"
+  }
+}

plugin.xml

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+<?xml version='1.0' encoding='UTF-8'?>
+<plugin id="cordova-plugin-ios-localized-strings" version="1.0.0" xmlns="http://apache.org/cordova/ns/plugins/1.0">
+  <name>Cordova iOS Localized Strings</name>
+  <author>Enrico Deleo (http://enricodeleo.com/)</author>
+  <description>Cordova / PhoneGap Plugin that declares supported languages for App Store (iTunes).</description>
+  <keywords>cordova, ios, app, localization, strings, locale, internazionalization, i18n</keywords>
+  <license>MIT</license>
+  <engines>
+    <engine name="cordova" version=">=3.0.0"/>
+  </engines>
+
+  <platform name="ios">
+
+    <preference name="MAIN_LANGUAGE" />
+    <preference name="ADDITIONAL_LANGUAGES" />
+
+    <config-file target="config.xml" parent="/*">
+      <preference name="MAIN_LANGUAGE" value="$MAIN_LANGUAGE"/>
+      <preference name="ADDITIONAL_LANGUAGES" value="$ADDITIONAL_LANGUAGES"/>
+    </config-file>
+
+    <hook type="after_prepare" src="scripts/add_supported_languages.js" />
+  </platform>
+</plugin>

scripts/add_supported_languages.js

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+#!/usr/bin/env node
+'use strict';
+
+// Add supported languages for App Store (iTunes)
+// v1.0.0
+// Automatically adds supported languages to your iOS app
+// within the info.plist file after the `prepare` command.
+
+const fs = require('fs');
+const path = require('path');
+const plist = require('plist');
+
+module.exports = context => {
+  const ConfigParser = context.requireCordovaModule('cordova-common').ConfigParser;
+
+  return new Promise((resolve, reject) => {
+    let mainConfig = new ConfigParser(path.resolve(context.opts.projectRoot, 'config.xml'));
+    let name = mainConfig.name();
+    let config = new ConfigParser(path.resolve(context.opts.projectRoot, 'platforms', 'ios', name, 'config.xml'));
+    let MAIN_LANGUAGE = config.getGlobalPreference('MAIN_LANGUAGE');
+    let ADDITIONAL_LANGUAGES = config.getGlobalPreference('ADDITIONAL_LANGUAGES');
+    let plistPath = path.join(context.opts.projectRoot, 'platforms', 'ios', name, `${name}-Info.plist`);
+
+    fs.readFile(plistPath, 'utf-8', (err, data) => {
+      if (err) {
+        return reject(err);
+      }
+      let infoPlist = plist.parse(data);
+
+      process.stdout.write('[iOS] Setting main language to: ' + MAIN_LANGUAGE + '\n');
+      infoPlist.CFBundleDevelopmentRegion = MAIN_LANGUAGE;
+
+      if ( ADDITIONAL_LANGUAGES ) {
+        process.stdout.write('[iOS] Setting also additional languagees to: ' + ADDITIONAL_LANGUAGES.split(',') + '\n');
+        infoPlist.CFBundleLocalizations = ADDITIONAL_LANGUAGES.split(',');
+      }
+
+      fs.writeFile(plistPath, plist.build(infoPlist), err => {
+        if (err) {
+          return reject();
+        }
+        resolve();
+      });
+    });
+  });
+};